Question

bracket to P + Q + 5 bracket close square

Answer 1

hey your ans is here


_________


given:-

(p+q+5)^2

this forms a formula which is:-

(a+b+c)^2=a^2+b^2+c^2+2(ab+bc+ca)

so

(p+q+5)^2=p^2+q^2+25+2(pq+5q+5a)

________